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clepsydra

[ klep-si-druh ]
/ ˈklɛp sɪ drə /
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noun, plural clep·sy·dras, clep·sy·drae [klep-si-dree]. /ˈklɛp sɪˌdri/.
an ancient device for measuring time by the regulated flow of water or mercury through a small aperture.
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Origin of clepsydra

1640–50; <Latin <Greek klepsýdra, equivalent to kleps- (klep-, stem of kléptein to steal, conceal + -s- formative in derivation) + hydra, derivative of hýdōr water
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How to use clepsydra in a sentence

British Dictionary definitions for clepsydra

clepsydra
/ (ˈklɛpsɪdrə) /

noun plural -dras or -drae (-ˌdriː)
an ancient device for measuring time by the flow of water or mercury through a small apertureAlso called: water clock

Word Origin for clepsydra

C17: from Latin, from Greek klepsudra, from kleptein to steal + hudōr water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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